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Oppenheimer’s Letter of Recommendation for Richard Feynman (1943)
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Oppenheimer’s Letter of Recommendation for Richard Feynman (1943)

“He is a second Dirac, only this time human”

Jørgen Veisdal's avatar
Jørgen Veisdal
May 21, 2021
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Oppenheimer’s Letter of Recommendation for Richard Feynman (1943)
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Headshots for their security badges at the Los Alamos Laboratory (Photo: The Atomic Heritage Foundation)

Let’s journey back to November 1943. The Manhattan project is in its fourth year of operations, and J. Robert Oppenheimer’s Los Alamos Laboratory is eleven months into its mission of designing and building the first atomic bomb. Oppenheimer had in 1942 been headhunted to the project by its Director, Lieutenant General Leslie Groves (1896–1970) on the strength of the recommendation of physicist Arthur Compton (1892–1962). He was 39 years old at the time, and came to the project already a Professor of Physics at the University of California, Berkeley. There, starting in the mid 1930s he had worked on deuteron-induced nuclear reactions, the so-called Oppenheimer-Phillips process, whose experiments were conducted at the newly built UC Berkeley cyclotron.

Although a classified endeavor, it was not uncommon for scientists and engineers on the project to communicate between themselves in le…

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